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Finding the Fourth Proportional to 343,199.90, 514,868.49 and 118,568.54

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Solution

The fourth proportional to 343,199.90, 514,868.49 and 118,568.54 is: 177,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,199.90 : 514,868.49 = 118,568.54 : x
  2. Step 2: Convert to fraction form
    343,199.90/514,868.49 = 118,568.54/x
  3. Step 3: Cross multiply
    343,199.90x = 514,868.49 × 118,568.54
  4. Step 4: Simplify right side
    343,199.90x = 61,047,205,151.30
  5. Step 5: Solve for x
    x = 61,047,205,151.30/343,199.90
  6. Step 6: Final answer
    x = 177,876.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.